The woman was attacked as she tried to save her dog on Gravesend seafront

His dog is described as being cream and light brown coloured.

The injured woman went to A&E at Darent Valley Hospital before receiving treatment at East Grinstead Hospital, where she was kept in for two days on an intravenous drip.

A Kent Police spokesman said: "Officers received a report that between 9am and 9.30am on Tuesday December 26th, a woman in her 70s was walking her dog in Gordon Recreation Ground, Milton Road, Gravesend, when she was bitten by a dog that was being held on a chain by a man.